. >> sanctions started, the iran--today iran has 19,000 centerfuges. so the net product of sanctions has been about 18,800 centerfuges that has been added to iran's stock of centerfuges. so sanctions have ultimaterly failed. >> reporter: in washington the obama administration contradic contradicted his version of events. >> there is no question if you look at the facts of the impact of oil revenues, the impacts on their economic growth at large that there was a huge impact, that the sanctions had an enormous impacts, and that was the driving factor in bringing iranians to the negotiating table. >> many peculiar late that if the deals succeed, washington and iran might negotiate other things. >> the goal is a transitioning governing body. certainly they haven't embraced that as the focus o geneva communique. >> what could be described as a charm offensive. he's visiting other countries, and iran insists they're trying to be a good neighbor. >> we believe we, all of us, need to cooperate with each other to, in fact, contain this spread of sectarian divid